package com.fjrcloud.utils;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * Author: Trun
 * Date: 2016-11-22.
 * Description:
 */
public  class DateUtils {

    /*
     * 将时间转换为时间戳
     */
    public static String dateToStamp(String s){
        String res;
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date date = null;
        try {
            date = simpleDateFormat.parse(s);
        } catch (ParseException e) {
            e.printStackTrace();
            return null;
        }
        long ts = date.getTime();
        res = String.valueOf(ts);
        return res;
    }


    /*
    * 将时间戳转换为时间
    */
    public static String stampToDate(String s){
        String res;
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        long lt = new Long(s);
        Date date = new Date(lt);
        res = simpleDateFormat.format(date);
        return res;
    }

    /*
    * 将时间戳转换为时间
    */
    public static String stampToDate(Long lt){
        String res;
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmssSSS");
        Date date = new Date(lt);
        res = simpleDateFormat.format(date);
        return res;
    }

    /*
    * 将时间戳转换为时间
    */
    public static String getCurrentDate(){
        return stampToDate(System.currentTimeMillis());
    }


}
